elongatus, Microschemobrycon Géry [J.] 1973:97, Figs. 9-11 [Studies on the Neotropical Fauna v. 8; ref. 1596] Rio Suiazinho, Rio Xingu basin, Brazil, 12°49'S, 51°46'W. Holotype: BMNH 1972.11.15.1. Paratypes: BMNH 1972.11.15.2 (1), 1972.11.15.3-4 (2); Géry coll. 0680 (1). •Valid as Microschemobrycon elongatus Géry 1973 -- (Malabarba in Reis et al. 2003:145 [ref. 27061], Ohara et al. 2019:333 [ref. 36615], Marinho 2024:219 [ref. 40817]). Current status: Valid as Microschemobrycon elongatus Géry 1973. Characidae: Characinae. Distribution: South America: Xingu, Tapajós and Tocantins River basins, Brazil. Habitat: freshwater.